# KnowTree vs Memon for Mobile

The clearest difference is in-app purchases: Memon for Mobile at none against KnowTree's 1. Memon for Mobile also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. KnowTree sells 1 one-off in-app purchase. Memon for Mobile asks for nothing beyond the download.

KnowTree ships an update every 9 days, Memon for Mobile weekly. The most recent releases landed on September 8, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | KnowTree | Memon for Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Weekly** |
| Size | 51 MB | 59 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ukon Ryohei](https://appshunter.io/developer/1834526187) | [Yusuke Fukasawa](https://appshunter.io/developer/1137895995) |

## What reviewers say

### KnowTree

[App page](https://appshunter.io/ios/app/knowtree/id6757321205)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KnowTree Premium | $4.99 | one-time |


### Memon for Mobile

[App page](https://appshunter.io/ios/app/memon-for-mobile/id6796632515)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KnowTree free?

KnowTree is free to download, with in-app purchases available.

### Is Memon for Mobile free?

Memon for Mobile is free to download, with no in-app purchases.

### Do KnowTree or Memon for Mobile have ads?

KnowTree shows ads; Memon for Mobile does not.

### Which is updated more often, KnowTree or Memon for Mobile?

KnowTree ships an update every 9 days, and Memon for Mobile weekly. Most recently, KnowTree was updated on September 8, 2026 and Memon for Mobile on September 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*